condition mean min max ZT0-3 1162.15 1162.15 1162.15 ZT4-7 1267.6 1267.6 1267.6 ZT8-11 1200.8 1200.8 1200.8 ZT12-15 1133.95 1133.95 1133.95 ZT16-19 1247.75 1247.75 1247.75 ZT20-23 1248.35 1248.35 1248.35